1QG2: Canine GDP-ran R76E mutant

Canine GDP-ran R76E mutant. Determined by X-ray diffraction at 2.5 Å resolution. Released 11 Jun 1999.

Method
X-ray diffraction
Resolution
2.5 Å
Organism
Canis lupus familiaris
Chains
1
Atoms
1,669
Mol. weight
24.9 kDa
Ligands
GDP, MG
Released
11 Jun 1999

Explore 1QG2 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1QG2 contains 13 α-helices and 12 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 13 helices, 12 β-strands

ElementResiduesLengthSheet
β-strand10-1671
α-helix23-286
β-strand3012
α-helix31-355
β-strand38-4031
β-strand45-54101
β-strand57-66101
α-helix69-724
α-helix74-763
α-helix77-804
β-strand85-9171
α-helix95-995
α-helix101-11111
β-strand117-12261
α-helix133-1353
β-strand145-14841
β-strand15013
α-helix151-1533
β-strand15513
α-helix158-16912
β-strand176-17831
α-helix179-1813
β-strand18212
α-helix183-1853
α-helix191-20515

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Protein (RAN)Aprotein216Canis lupus familiarisP62825 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1QG2_1 PROTEIN (RAN) (chains A)
MAAQGEPQVQFKLVLVGDGGTGKTTFVKRHLTGEFEKKYVATLGVEVHPLVFHTNRGPIK
FNVWDTAGQEKFGGLEDGYYIQAQCAIIMFDVTSRVTYKNVPNWHRDLVRVCENIPIVLC
GNKVDIKDRKVKAKSIVFHRKKNLQYYDISAKSNYNFEKPFLWLARKLIGDPNLEFVAMP
ALAPPEVVMDPALAAQYEHDLEVAQTTALPDEDDDL

Ligands and cofactors

IDNameFormulaCopies
GDPGuanosine-5'-diphosphateC10 H15 N5 O11 P21
MGMagnesium ionMg1

Primary citation

Engineered mutants in the switch II loop of Ran define the contribution made by key residues to the interaction with nuclear transport factor 2 (NTF2) and the role of this interaction in nuclear protein import. Kent, H.M., Moore, M.S., Quimby, B.B. et al. J Mol Biol (1999) 289:565-577. DOI 10.1006/jmbi.1999.2775 · PubMed

Other PDB entries of the same protein (UniProt P62825 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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